Brushless DC Motor

Constar brushless DC motor, featuring small size, high reduction ratio, low rotation speed, high torque and little noise, is widely used in the field of unmanned aerial vehicle, medical equipment, industrial equipment, electrical tools and mini household appliances.

Series Dimension




No-load Speed


No-Load Current


KV Value


Torque Constant


BO2914NBH2B Φ29*14 24 5500 100 230 40
BO5540NBH2B Φ55*40 24 18400 530 770 12.4